Add some docs

src/main/java/app/AppModule.java

@@ -17,6 +17,7 @@ import ui.interfaces.IMainView;
 import ui.interfaces.INavBar;
 
 /**
+ * Gathers some configurations in order to set the dependency injection container up
  * @author Laurent Crema
  */
 public class AppModule extends AbstractModule {

src/main/java/app/INavigator.java

@@ -1,7 +1,14 @@
 package app;
 
+/**
+ * Provides some endpoints to browse between views
+ * @author Laurent Crema
+ */
 public interface INavigator {
 
+    /**
+     * Displays Fourier view
+     */
     void showFourier();
 
 }

src/main/java/app/SwingNavigator.java

@@ -4,6 +4,11 @@ import com.google.inject.Inject;
 import com.google.inject.Provider;
 import ui.implementation.views.DoubleMatrix;
 
+/**
+ * Concrete implement of the INavigator interface.
+ * Implements abstract endpoints to displays views in a Swing way
+ * @author Laurent Crema
+ */
 public class SwingNavigator implements INavigator {
 
     private final Provider<DoubleMatrix> doubleMatrixProvider;

src/main/java/app/state/AppState.java

@@ -8,6 +8,9 @@ import domain.events.ImageChangedEvent;
 import domain.events.ModeChangedEvent;
 import domain.image.Image;
 
+/**
+ * Represents the global state of the app
+ */
 @Singleton
 public class AppState extends State {
 

src/main/java/app/state/State.java

@@ -2,6 +2,12 @@ package app.state;
 
 import com.google.common.eventbus.EventBus;
 
+/**
+ * Represents any states that could ever exist.
+ * In order to notify the caller about any change made to internal properties of a children state, the caller
+ * must register itself
+ * @author Laurent Crema
+ */
 public abstract class State {
 
     protected EventBus eventBus;
@@ -10,6 +16,10 @@ public abstract class State {
         this.eventBus = eventBus;
     }
 
+    /**
+     * Register the caller so it can be notifed from changes within the state
+     * @param obj the caller itself
+     */
     public void register(Object obj) {
         eventBus.register(obj);
     }